Home / 40,198.70-55,477.61-22,299.47

Finding the Fourth Proportional to 40,198.70, 55,477.61 and 22,299.47

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Solution

The fourth proportional to 40,198.70, 55,477.61 and 22,299.47 is: 30,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.70 : 55,477.61 = 22,299.47 : x
  2. Step 2: Convert to fraction form
    40,198.70/55,477.61 = 22,299.47/x
  3. Step 3: Cross multiply
    40,198.70x = 55,477.61 × 22,299.47
  4. Step 4: Simplify right side
    40,198.70x = 1,237,121,202.65
  5. Step 5: Solve for x
    x = 1,237,121,202.65/40,198.70
  6. Step 6: Final answer
    x = 30,775.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.